Universally adaptable with Surly's unique hitch design the trailer is able to be leveled out for a more stable load on bikes with wheels from 20" to 29er''s and hub spacing from 120mm to 145mm. The hitch will work with most disc brake designs and full suspension frames. However the trailer will not work with bikes using the QR12 rear axle or fat bikes like the Surly Pugsley.
The Surly hitch is required to make the Bill and Ted trailers functional.